Vibrational Frequencies calculated at mPW1PW91/6-311G**
Mode Number |
Symmetry |
Frequency (cm-1) |
Scaled Frequency (cm-1) |
IR Intensities (km mol-1) |
Raman Act (Å4/u) |
Dep P |
Dep U |
1 |
A1 |
3060 |
2928 |
4.92 |
|
|
|
2 |
A1 |
2229 |
2133 |
65.24 |
|
|
|
3 |
A1 |
1297 |
1241 |
18.85 |
|
|
|
4 |
A1 |
943 |
902 |
225.01 |
|
|
|
5 |
A1 |
703 |
673 |
10.24 |
|
|
|
6 |
A2 |
196 |
187 |
0.00 |
|
|
|
7 |
E |
3146 |
3010 |
7.29 |
|
|
|
7 |
E |
3146 |
3010 |
7.29 |
|
|
|
8 |
E |
2231 |
2134 |
136.93 |
|
|
|
8 |
E |
2231 |
2134 |
136.97 |
|
|
|
9 |
E |
1466 |
1403 |
5.20 |
|
|
|
9 |
E |
1466 |
1403 |
5.20 |
|
|
|
10 |
E |
961 |
919 |
41.47 |
|
|
|
10 |
E |
961 |
919 |
41.47 |
|
|
|
11 |
E |
893 |
854 |
71.29 |
|
|
|
11 |
E |
893 |
854 |
71.29 |
|
|
|
12 |
E |
522 |
499 |
9.81 |
|
|
|
12 |
E |
522 |
499 |
9.81 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 13432.0 cm
-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 12850.4 cm
-1
See section
III.C.1 List or set vibrational scaling factors
to change the scale factors used here.
See section
III.C.2
Calculate a vibrational scaling factor for a given set of molecules
to determine the least squares best scaling factor.
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G**
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
C |
-0.665 |
|
|
|
2 |
Si |
0.559 |
|
|
|
3 |
H |
0.152 |
|
|
|
4 |
H |
0.152 |
|
|
|
5 |
H |
0.152 |
|
|
|
6 |
H |
-0.117 |
|
|
|
7 |
H |
-0.117 |
|
|
|
8 |
H |
-0.117 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
|
x |
y |
z |
Total |
|
0.000 |
0.000 |
-0.765 |
0.765 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-22.950 |
0.000 |
0.000 |
y |
0.000 |
-22.950 |
0.000 |
z |
0.000 |
0.000 |
-23.193 |
|
Traceless |
| x | y | z |
x |
0.122 |
0.000 |
0.000 |
y |
0.000 |
0.122 |
0.000 |
z |
0.000 |
0.000 |
-0.243 |
|
Polar |
3z2-r2 | -0.487 |
x2-y2 | 0.000 |
xy | 0.000 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
5.369 |
0.000 |
0.000 |
y |
0.000 |
5.369 |
0.000 |
z |
0.000 |
0.000 |
5.970 |
<r2> (average value of r
2) Å
2
<r2> |
50.267 |
(<r2>)1/2 |
7.090 |